ANNALS OF THE LYCEUM. 



Desc. Body sliort robust : head piceous-black, transverse line 

 prominent, regularly rounded, acute ; antennae hardly serrated, 

 piceous, second and third joints sub-equal, the second joint rather 

 longer ; thorax large, convex, rufous, with two longitudinal, di- 

 lated blackish lines, which do not reach the base ; posterior 

 angles prominent, acute : scutel suborbicular ; elytra brownish- 

 black, with regularly punctured, impressed striae : venter piceous 

 at tip : feet pale. 



Length rather more than a quarter of an inch. 



Var. a. A rufous dilated vitta extends from the humerus to- 

 wards the tip of the elytra. 



Var. b. Vitta on^ the elytra, and beneath rufous, feet white. 



Var. c. The thoracic vitta confluent, and reaching the base. 



The specific name trilineatus is pre-occupied. 



[Is Elater cMtrcYMS Herbst, and belongs to Monocrepidius. — Lec.]| 



17. E. QUERCiNUS. — Black ; front concave : feet pale. 

 Elater quercimis Melsh. Catal. 



JDesc. Body slender, black, with rather long hairs : head with 

 the transverse line much elevated and emarginate in the middle : 

 antennae rather robust, serrated, three basal joints rufous, second 

 and third joints nearly equal : thorax longer than broad, hardly 

 narrowed before ; a very slightly impressed longitudinal line : 

 anterior angles not wider than the head ; posterior angles de- 

 pressed, obtuse, piceous : scutel orbicular : elytra with slightly 

 impressed, deeply punctured striae ; feet pale yellowish, tinged 

 with rufous. 



Length one-fifth of an inch. 



[A common species of Limonius. — Leg.] [263] 



18. E. plebejus. — Black ; front concave ; feet pale ; elytra 

 dark brown. 



Elater plehejus Melsh. Catal. 



Desc. Body rather slender, black, with rather short hair : 

 head with the transverse line much elevated and emarginate in 

 the middle : antennae hardly serrated, dark brown, three basal 

 joints dull rufous, second and third subequal hardly shorter, but 

 more slender than the succeeding ones : thorax convex, widest in 

 the middle ; anterior angles not wider than the head ; an obso- 

 lete obtuse indented line, obvious at base ; posterior angles rather 

 obtuse piceous: anterior and lateral margins obscure piceous : 



